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<div class="title">nrf51/Board/nrf6310/radio_example/radio_config.c</div>  </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* Copyright (c) 2009 Nordic Semiconductor. All Rights Reserved.</span>
<a name="l00002"></a>00002 <span class="comment"> *</span>
<a name="l00003"></a>00003 <span class="comment"> * The information contained herein is confidential property of Nordic</span>
<a name="l00004"></a>00004 <span class="comment"> * Semiconductor ASA.Terms and conditions of usage are described in detail</span>
<a name="l00005"></a>00005 <span class="comment"> * in NORDIC SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * Licensees are granted free, non-transferable use of the information. NO</span>
<a name="l00008"></a>00008 <span class="comment"> * WARRANTY of ANY KIND is provided. This heading must NOT be removed from</span>
<a name="l00009"></a>00009 <span class="comment"> * the file.</span>
<a name="l00010"></a>00010 <span class="comment"> *</span>
<a name="l00011"></a>00011 <span class="comment"> */</span>
<a name="l00012"></a>00012 
<a name="l00013"></a>00013 <span class="preprocessor">#include &quot;radio_config.h&quot;</span>
<a name="l00014"></a>00014 <span class="preprocessor">#include &quot;nrf_delay.h&quot;</span>
<a name="l00015"></a>00015 
<a name="l00016"></a>00016 <span class="preprocessor">#define PACKET0_S1_SIZE                  (0UL)  //!&lt; S1 size in bits</span>
<a name="l00017"></a>00017 <span class="preprocessor"></span><span class="preprocessor">#define PACKET0_S0_SIZE                  (0UL)  //!&lt; S0 size in bits</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#define PACKET0_PAYLOAD_SIZE             (0UL)  //!&lt; payload size in bits</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span><span class="preprocessor">#define PACKET1_BASE_ADDRESS_LENGTH      (4UL)  //!&lt; base address length in bytes</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor">#define PACKET1_STATIC_LENGTH            (6UL)  //!&lt; static length in bytes</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor">#define PACKET1_PAYLOAD_SIZE             (6UL)  //!&lt; payload size in bits</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span>
<a name="l00023"></a>00023 <span class="keywordtype">void</span> radio_configure()
<a name="l00024"></a>00024 {
<a name="l00025"></a>00025   <span class="comment">// Radio config</span>
<a name="l00026"></a>00026   NRF_RADIO-&gt;TXPOWER = (RADIO_TXPOWER_TXPOWER_0dBm &lt;&lt; RADIO_TXPOWER_TXPOWER_Pos);
<a name="l00027"></a>00027   NRF_RADIO-&gt;FREQUENCY = 7UL;                <span class="comment">// Frequency bin 7, 2407MHz</span>
<a name="l00028"></a>00028   NRF_RADIO-&gt;MODE = (RADIO_MODE_MODE_Nrf_2Mbit &lt;&lt; RADIO_MODE_MODE_Pos);
<a name="l00029"></a>00029 
<a name="l00030"></a>00030   <span class="comment">// Radio address config</span>
<a name="l00031"></a>00031   NRF_RADIO-&gt;PREFIX0 = 0xC4C3C2E7UL;  <span class="comment">// Prefix byte of addresses 3 to 0</span>
<a name="l00032"></a>00032   NRF_RADIO-&gt;PREFIX1 = 0xC5C6C7C8UL;  <span class="comment">// Prefix byte of addresses 7 to 4</span>
<a name="l00033"></a>00033   NRF_RADIO-&gt;BASE0   = 0xE7E7E7E7UL;  <span class="comment">// Base address for prefix 0</span>
<a name="l00034"></a>00034   NRF_RADIO-&gt;BASE1   = 0x00C2C2C2UL;  <span class="comment">// Base address for prefix 1-7</span>
<a name="l00035"></a>00035   NRF_RADIO-&gt;TXADDRESS = 0x00UL;      <span class="comment">// Set device address 0 to use when transmitting</span>
<a name="l00036"></a>00036   NRF_RADIO-&gt;RXADDRESSES = 0x01UL;    <span class="comment">// Enable device address 0 to use which receiving</span>
<a name="l00037"></a>00037 
<a name="l00038"></a>00038   <span class="comment">// Packet configuration</span>
<a name="l00039"></a>00039   NRF_RADIO-&gt;PCNF0 = (PACKET0_S1_SIZE &lt;&lt; RADIO_PCNF0_S1LEN_Pos) |
<a name="l00040"></a>00040                      (PACKET0_S0_SIZE &lt;&lt; RADIO_PCNF0_S0LEN_Pos) |
<a name="l00041"></a>00041                      (PACKET0_PAYLOAD_SIZE &lt;&lt; RADIO_PCNF0_LFLEN_Pos); <span class="comment">//lint !e845 &quot;The right argument to operator &#39;|&#39; is certain to be 0&quot;</span>
<a name="l00042"></a>00042 
<a name="l00043"></a>00043   <span class="comment">// Packet configuration</span>
<a name="l00044"></a>00044    NRF_RADIO-&gt;PCNF1 = (RADIO_PCNF1_WHITEEN_Disabled &lt;&lt; RADIO_PCNF1_WHITEEN_Pos)    |
<a name="l00045"></a>00045                       (RADIO_PCNF1_ENDIAN_Big &lt;&lt; RADIO_PCNF1_ENDIAN_Pos)           |
<a name="l00046"></a>00046                       (PACKET1_BASE_ADDRESS_LENGTH &lt;&lt; RADIO_PCNF1_BALEN_Pos)       |
<a name="l00047"></a>00047                       (PACKET1_STATIC_LENGTH &lt;&lt; RADIO_PCNF1_STATLEN_Pos)           |
<a name="l00048"></a>00048                       (PACKET1_PAYLOAD_SIZE &lt;&lt; RADIO_PCNF1_MAXLEN_Pos); <span class="comment">//lint !e845 &quot;The right argument to operator &#39;|&#39; is certain to be 0&quot;</span>
<a name="l00049"></a>00049 
<a name="l00050"></a>00050   <span class="comment">// CRC Config</span>
<a name="l00051"></a>00051   NRF_RADIO-&gt;CRCCNF = (RADIO_CRCCNF_LEN_Two &lt;&lt; RADIO_CRCCNF_LEN_Pos); <span class="comment">// Number of checksum bits</span>
<a name="l00052"></a>00052   <span class="keywordflow">if</span> ((NRF_RADIO-&gt;CRCCNF &amp; RADIO_CRCCNF_LEN_Msk) == (RADIO_CRCCNF_LEN_Two &lt;&lt; RADIO_CRCCNF_LEN_Pos))
<a name="l00053"></a>00053   {
<a name="l00054"></a>00054     NRF_RADIO-&gt;CRCINIT = 0xFFFFUL;      <span class="comment">// Initial value      </span>
<a name="l00055"></a>00055     NRF_RADIO-&gt;CRCPOLY = 0x11021UL;     <span class="comment">// CRC poly: x^16+x^12^x^5+1</span>
<a name="l00056"></a>00056   }
<a name="l00057"></a>00057   <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((NRF_RADIO-&gt;CRCCNF &amp; RADIO_CRCCNF_LEN_Msk) == (RADIO_CRCCNF_LEN_One &lt;&lt; RADIO_CRCCNF_LEN_Pos))
<a name="l00058"></a>00058   {
<a name="l00059"></a>00059     NRF_RADIO-&gt;CRCINIT = 0xFFUL;        <span class="comment">// Initial value</span>
<a name="l00060"></a>00060     NRF_RADIO-&gt;CRCPOLY = 0x107UL;       <span class="comment">// CRC poly: x^8+x^2^x^1+1</span>
<a name="l00061"></a>00061   }
<a name="l00062"></a>00062   
<a name="l00063"></a>00063   nrf_delay_ms(3);
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065 
<a name="l00066"></a>00066 
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